[llvm-commits] [llvm] r157505 - /llvm/trunk/lib/Transforms/Instrumentation/GCOVProfiling.cpp

[Nick Lewycky]

Bill Wendling wrote:
> If I library allows information to be available outside of it, but doesn't give that code write permissions, then that would cause a failure.
>
> This is what a linkedit segment is:
>
> -seglinkedit
>                Create  the  link edit segment, named ``__LINKEDIT'' (this is the default).  This segment con-
>                tains all the link edit information (relocation information, symbol table, string table, etc.)
>                in  the object file.  If the segment protection for this segment is not specified, the initial
>                protection is not writable.  This can only be specified when  the  output  file  type  is  not
>                MH_OBJECT  and MH_PRELOAD output file types.  To get at the contents of this section, the Mach
>                header and load commands must be parsed from the link editor defined symbols  like  `__mh_exe-
>                cute_header' (see Mach-O(5)).
>
> More details here:
>
> 	http://developer.apple.com/library/mac/#documentation/DeveloperTools/Conceptual/MachORuntime/Reference/reference.html

Hrm, I see. Carry on!

Thanks for the explanation!

Nick